66034020 has 48 divisors (see below), whose sum is σ = 199120320. Its totient is φ = 16254336.

The previous prime is 66034009. The next prime is 66034037. The reversal of 66034020 is 2043066.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41550 + ... + 43109.

It is an arithmetic number, because the mean of its divisors is an integer number (4148340).

Almost surely, 2^66034020 is an apocalyptic number.

66034020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66034020 is an abundant number, since it is smaller than the sum of its proper divisors (133086300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66034020 is a wasteful number, since it uses less digits than its factorization.

66034020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84684 (or 84682 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 66034020 is about 8126.1319211541. The cubic root of 66034020 is about 404.1934259866.

Adding to 66034020 its reverse (2043066), we get a palindrome (68077086).

The spelling of 66034020 in words is "sixty-six million, thirty-four thousand, twenty".